Bag integrity detector

Abstract

The utility model provides a bag integrity detector, and belongs to the technical field of detection instruments. The bag integrity detector comprises a detection box assembly, a sealing cover assembly is arranged at the top of the detection box assembly, a sealing sleeve assembly is arranged in the detection box assembly, the detection box assembly comprises a box body, a control panel is arranged on one side of the exterior of the box body, a first electromagnetic valve is arranged at one end of the control panel, and a second electromagnetic valve is arranged at the other end of the control panel. A second electromagnetic valve is arranged at the other end of the control panel, a sealing sleeve port is formed in one end of the second electromagnetic valve, an air injection pipe is arranged in the middle of the sealing sleeve port, a first air pressure sensor is arranged at the top of one end of the air injection pipe, and a second air pressure sensor is arranged on one side in the box body; according to the utility model, the completeness of the bag can be reflected through the change of air pressure values in the box body and the bag, the detection precision and sensitivity can be improved, and the practical value is high.

Description

Technical Field

[0001] The utility model relates to the technical field of detection instruments, in particular to a bag integrity detector. Background Art

[0002] Bag integrity tester is a kind of equipment specially used to detect whether various bags (such as disposable liquid storage bags, disposable bioreactors, disposable systems (SUS) such as cell factories and food packaging bags) are sealed and leak-free. Such instruments are essential to ensure the safety, effectiveness and quality control of products in industries such as pharmaceuticals, biological products and food.

[0003] For example, a Chinese patent with publication number CN211651972U discloses a packaging bag sealing detection device, including a detection box and an air supply mechanism, wherein a plurality of silk threads are arranged in the detection box, the silk threads are in a vertical state, the top ends of the silk threads are fixed in the detection box, and the bottom ends of the silk threads are free ends, and the plurality of silk threads surround a detection area for placing the packaging bag, and the air supply mechanism supplies gas into the packaging bag;

[0004] The technical solution recorded in this proposal can complete the sealing test of degradable paper packaging bags, but this technical solution judges the sealing of the packaging bag by observing the movement of the silk thread through a detection box, and detects the sealing of the packaging bag by observing with the naked eye whether the silk thread moves. It is highly subjective and has low accuracy and sensitivity. It is difficult to realize the real-time collection, storage and complex analysis of large amounts of data, and is inconvenient to use.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and a bag integrity detector is provided to achieve a purpose with greater practical value. Utility Model Content

[0006] The utility model aims to provide a bag integrity detector to solve the problems of low accuracy and sensitivity, difficulty in realizing real-time collection, storage and complex analysis of a large amount of data, and inconvenience in use in the above-mentioned background technology.

[0007] A bag integrity detector comprises a detection box assembly, a sealing cover assembly is provided on the top of the detection box assembly, and a sealing sleeve assembly is provided inside the detection box assembly, the detection box assembly comprises a box body, a control panel is provided on one side outside the box body, a first solenoid valve is provided on one end of the control panel, and a second solenoid valve is provided on the other end of the control panel, a sealing sleeve interface is provided on one end of the second solenoid valve, an air injection pipe is provided in the middle of the sealing sleeve interface, a first air pressure sensor is provided on the top of one end of the air injection pipe, a second air pressure sensor is provided on one side inside the box body, and a display screen and control buttons are provided in the middle of the control panel.

[0008] The beneficial effect of adopting the above further scheme is that a sealing cover assembly is provided on the top of the detection box assembly, and a sealing sleeve assembly is provided inside the detection box assembly, so that the sealing sleeve assembly can fix the bag inside the detection box assembly, and the sealing cover assembly can seal the detection box assembly for easy detection. A first solenoid valve is provided at one end of the control panel, and a second solenoid valve is provided at the other end of the control panel, so that the first solenoid valve can be connected to an external vacuum air pump to facilitate vacuuming the inside of the box for detection. The second solenoid valve can be connected to an external air source to facilitate inflating the inside of the bag to be detected. A sealing sleeve interface is provided at one end of the second solenoid valve, and an injection port is provided in the middle of the sealing sleeve interface. The air pipe is convenient for the sealing sleeve assembly to fix the bag to be tested on the outside of the air injection pipe, so that the sealing sleeve assembly can seal the bag. The air injection pipe injects air into the bag to detect the integrity of the bag. A first air pressure sensor is provided on the top of one end of the air injection pipe, and a second air pressure sensor is provided on one side of the box body. The first air pressure sensor and the second air pressure sensor can detect the air pressure inside the bag and the box body respectively, and the integrity and sealing of the bag can be reflected by the change of the air pressure value. A display screen and a control button are provided in the middle of the control panel, so that the control button can be used to control the device, and the test results and device status are displayed on the display screen.

[0009] Furthermore, a micro air pump is provided at the bottom of the second solenoid valve, an air pump interface is provided at the output end of the micro air pump, and the air pump interface is arranged inside the box.

[0010] The beneficial effect of adopting the above further solution is that, through the air pump interface disposed inside the box, the micro air pump is easily connected to the sealing sleeve assembly.

[0011] Furthermore, the box body is made of high-strength transparent glass.

[0012] The beneficial effect of adopting the above further solution is that, because the material of the box body is high-strength transparent glass, it is convenient to observe the inflation state of the bag from the outside of the box body.

[0013] Furthermore, the sealing cover assembly includes a sealing seat, and the sealing seat is fixedly installed on the top of the box body.

[0014] The beneficial effect of adopting the above further solution is that the sealing cover assembly is fixedly installed on the top of the box body, which facilitates the fixed connection between the sealing cover assembly and the detection box assembly.

[0015] Furthermore, a cover body is hingedly connected to one side of the sealing seat, a lock buckle is fixedly installed on one side of the cover body, and a lock groove is opened at a corresponding position of the sealing seat.

[0016] The beneficial effect of adopting the above further solution is that a lock buckle is fixedly installed on one side of the cover body, and a lock groove is opened at a corresponding position of the sealing seat, so that the lock buckle and the lock groove are engaged to lock the cover body closed.

[0017] Furthermore, a first sealing ring is provided on the inner side of the sealing seat, and a second sealing ring is provided on the bottom of the cover body.

[0018] The beneficial effect of adopting the above further scheme is that a first sealing ring is provided on the inner side of the sealing seat and a second sealing ring is provided on the bottom of the cover body, so that the first sealing ring and the second sealing ring can fit together to improve the sealing performance of the device and avoid air leakage during the detection process.

[0019] Furthermore, the sealing sleeve assembly includes a connecting joint, a sealing fixing sleeve is fixedly installed on one side of the connecting joint, and the connecting joint is fixedly connected to the sealing sleeve interface.

[0020] The beneficial effect of adopting the above further scheme is that by fixing the connection joint with the sealing sleeve interface, the sealing sleeve assembly can be fixedly installed on the outside of the gas injection pipe, and the sealing sleeve assembly of the corresponding size can be replaced according to the structural size of the detection bag.

[0021] Furthermore, the sealing fixing sleeve is made of rubber material, a memory metal spring is arranged inside the sealing fixing sleeve, and an airbag strip is arranged inside the sealing fixing sleeve.

[0022] The beneficial effect of adopting the above further scheme is that a memory metal spring is provided inside the sealing fixing sleeve, and an airbag strip is provided inside the sealing fixing sleeve, so that the memory metal spring can keep the sealing fixing sleeve in an elliptical open state or closed state, and the airbag strip is inflated to lock and seal the bag opening.

[0023] Furthermore, a connecting pipe is provided at the bottom of the sealing fixing sleeve, the connecting pipe is connected to the airbag strip, and an air pump connector is provided at one end of the connecting pipe.

[0024] The beneficial effect of adopting the above further scheme is that it is connected to the airbag strip through a connecting tube, and an air pump connector is provided at one end of the connecting tube, so that a micro air pump can inflate the bulge of the airbag strip, so that the airbag strip can lock and seal the opening of the bag, thereby facilitating the integrity test of the bag.

[0025] The beneficial effects of the utility model are as follows: the utility model obtains a bag integrity detector through the above design, the bag integrity detector, a sealing cover assembly is provided on the top of the detection box assembly, and a sealing sleeve assembly is provided inside the detection box assembly, so that the sealing sleeve assembly can fix the bag inside the detection box assembly, and the sealing cover assembly can seal the detection box assembly for easy detection, a first solenoid valve is provided at one end of the control panel, and a second solenoid valve is provided at the other end of the control panel, so that the first solenoid valve can be connected to an external vacuum air pump to conveniently draw the inside of the box to a vacuum for detection, the second solenoid valve can be conveniently connected to an external air source to conveniently inflate the inside of the bag to be detected, a sealing sleeve interface is provided at one end of the second solenoid valve, and an air injection pipe is provided in the middle of the sealing sleeve interface, so that the sealing sleeve assembly can fill the bag to be detected The bag is fixedly installed on the outside of the air injection pipe so that the sealing sleeve assembly seals the bag. The air injection pipe injects air into the bag to detect the integrity of the bag. A first air pressure sensor is provided on the top of one end of the air injection pipe, and a second air pressure sensor is provided on one side of the box body. The first air pressure sensor and the second air pressure sensor respectively detect the air pressure inside the bag and the box body, and the integrity and sealing of the bag are reflected by the change of the air pressure value. A display screen and a control button are provided in the middle of the control panel, so that the control button can be used to control the device. The detection result and the device status are displayed on the display screen. The utility model can reflect the integrity of the bag through the change of the air pressure value inside the box body and the bag, and is beneficial to improving the detection accuracy and sensitivity, and has a high practical value. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the following is a brief introduction to the drawings required for use in the implementation mode. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A three-dimensional structural schematic diagram of a bag integrity detector provided by the utility model;

[0028] Figure 2 An exploded diagram of a bag integrity detector provided by the utility model;

[0029] Figure 3 A three-dimensional structural schematic diagram of the detection box assembly provided by the utility model;

[0030] Figure 4 A three-dimensional structural schematic diagram of the sealing cover assembly provided by the utility model;

[0031] Figure 5This is a three-dimensional structural schematic diagram of the sealing sleeve assembly provided by the utility model.

[0032] In the figure: 101, detection box assembly; 10101, box body; 10102, control panel; 10103, display screen; 10104, control button; 10105, first solenoid valve; 10106, micro air pump; 10107, second solenoid valve; 10108, air injection pipe; 10109, first air pressure sensor; 10110, second air pressure sensor; 10111, air pump interface; 1011 2. Sealing sleeve interface; 102. Sealing cover assembly; 10201. Sealing seat; 10202. Cover body; 10203. Lock buckle; 10204. Lock groove; 10205. First sealing ring; 10206. Second sealing ring; 103. Sealing sleeve assembly; 10301. Connecting joint; 10302. Sealing fixing sleeve; 10303. Airbag strip; 10304. Connecting pipe; 10305. Air pump joint. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Embodiment 1 of the utility model of a bag integrity detector

[0036] The utility model provides the following technical solutions: Figure 1-Figure 5As shown, a bag integrity detector includes a detection box assembly 101, a sealing cover assembly 102 is provided on the top of the detection box assembly 101, and a sealing sleeve assembly 103 is provided inside the detection box assembly 101. The sealing cover assembly 102 is provided on the top of the detection box assembly 101, and the sealing sleeve assembly 103 is provided inside the detection box assembly 101, so that the sealing sleeve assembly 103 can fix the bag inside the detection box assembly 101, and the sealing cover assembly 102 can seal the detection box assembly 101 for easy detection. The detection box assembly 101 includes a box body 10101, and a control panel 10102 is provided on one side of the outer side of the box body 10101. The control panel 101 A first solenoid valve 10105 is provided at one end of the control panel 10102, and a second solenoid valve 10107 is provided at the other end of the control panel 10102. The first solenoid valve 10105 is provided at one end of the control panel 10102, and the second solenoid valve 10107 is provided at the other end of the control panel 10102, so that the first solenoid valve 10105 can be connected to an external vacuum air pump to facilitate the vacuum pumping of the inside of the box 10101 for testing. The second solenoid valve 10107 can be connected to an external air source to facilitate the inflating of the inside of the bag to be tested. A sealing sleeve interface 10112 is provided at one end of the second solenoid valve 10107, and an injection The air pipe 10108 is provided with a sealing sleeve interface 10112 at one end through the second solenoid valve 10107, and an air injection pipe 10108 is provided in the middle of the sealing sleeve interface 10112, so that the sealing sleeve assembly 103 can fix the bag to be tested on the outside of the air injection pipe 10108, so that the sealing sleeve assembly 103 can seal the bag, and the air injection pipe 10108 can inject air into the bag to detect the integrity of the bag. A first air pressure sensor 10109 is provided at the top of one end of the air injection pipe 10108, and a second air pressure sensor 10110 is provided on one side of the inner part of the box 10101. 10109, a second air pressure sensor 10110 is provided on one side of the interior of the box 10101, so that the first air pressure sensor 10109 and the second air pressure sensor 10110 can detect the air pressure inside the bag and the interior of the box 10101 respectively, and the integrity and sealing of the bag can be reflected by the change of the air pressure value. A display screen 10103 and a control button 10104 are provided in the middle of the control panel 10102, so that the control button 10104 can be used to control the device, and the detection result and the status of the device can be displayed on the display screen 10103.

[0037] Embodiment 2 of the utility model of a bag integrity detector

[0038] Reference Figure 1-Figure 4As shown, a micro air pump 10106 is provided at the bottom of the second solenoid valve 10107, and an air pump interface 10111 is provided at the output end of the micro air pump 10106. The air pump interface 10111 is arranged inside the box body 10101, and the air pump interface 10111 is arranged inside the box body 10101, so that the micro air pump 10106 is connected to the sealing sleeve assembly 103. The material of the box body 10101 is high-strength transparent glass. The material of the box body 10101 is high-strength transparent glass, so that the inflation state of the bag is observed outside the box body 10101. The sealing cover assembly 102 includes a sealing seat 10201, and the sealing seat 10201 is fixedly installed on the top of the box body 10101. It is convenient to fix the sealing cover assembly 102 with the detection box assembly 101, and the sealing seat 10201 is fixedly installed on the top of the box body 10101. A cover body 10202 is hinged on the side, a lock buckle 10203 is fixedly installed on one side of the cover body 10202, and a lock groove 10204 is opened at the corresponding position of the sealing seat 10201. The lock buckle 10203 is fixedly installed on one side of the cover body 10202, and a lock groove 10204 is opened at the corresponding position of the sealing seat 10201, so that the lock buckle 10203 and the lock groove 10204 can be engaged to lock the closure of the cover body 10202. A first sealing ring 10205 is provided on the inner side of the sealing seat 10201, and a second sealing ring 10206 is provided at the bottom of the cover body 10202. The first sealing ring 10205 is provided on the inner side of the sealing seat 10201, and the second sealing ring 10206 is provided at the bottom of the cover body 10202, so that the first sealing ring 10205 and the second sealing ring 10206 can fit together to improve the sealing performance of the device and avoid air leakage during the detection process.

[0039] Embodiment 3 of the utility model of a bag integrity detector

[0040] Reference Figure 1-Figure 5As shown, the sealing sleeve assembly 103 includes a connecting joint 10301, a sealing fixing sleeve 10302 is fixedly installed on one side of the connecting joint 10301, and the connecting joint 10301 is fixedly connected to the sealing sleeve interface 10112. The connecting joint 10301 is fixedly connected to the sealing sleeve interface 10112, so that the sealing sleeve assembly 103 can be fixedly installed on the outside of the gas injection pipe 10108, and the sealing sleeve assembly 103 of the corresponding size can be replaced according to the structural size of the detection bag. The sealing fixing sleeve 10302 is made of rubber material, and a memory metal spring is arranged inside the sealing fixing sleeve 10302, and an airbag strip 10303 is arranged inside the sealing fixing sleeve 10302. An airbag strip 10303 is provided inside 0302, which is convenient for the memory metal spring to keep the sealing fixing sleeve 10302 in the oval open state or closed state. The airbag strip 10303 is inflated to lock and seal the bag opening. A connecting pipe 10304 is provided at the bottom of the sealing fixing sleeve 10302, which is connected to the airbag strip 10303, and an air pump connector 10305 is provided at one end of the connecting pipe 10304. It is connected to the airbag strip 10303 through the connecting pipe 10304, and an air pump connector 10305 is provided at one end of the connecting pipe 10304, so that the micro air pump 10106 can inflate the bulge of the airbag strip 10303, so that the airbag strip 10303 can lock and seal the opening of the bag, which is convenient for the integrity test of the bag.

[0041] Specifically, the working principle of the bag integrity detector is as follows: when in use, the sealing seat 10201 is fixedly installed on the top of the box body 10101, so as to facilitate the fixed connection between the sealing cover assembly 102 and the detection box assembly 101; a lock buckle 10203 is fixedly installed on one side of the cover body 10202, and a lock groove 10204 is provided at the corresponding position of the sealing seat 10201, so as to facilitate the engagement of the lock buckle 10203 with the lock groove 10204 to lock the closure of the cover body 10202; a first sealing ring 10205 is provided on the inner side of the sealing seat 10201, and a second sealing ring 10206 is provided at the bottom of the cover body 10202, so as to facilitate the engagement of the first sealing ring 10205 with the second sealing ring The fit of the sealing ring 10206 improves the sealing performance of the device to avoid air leakage during the detection process. A first solenoid valve 10105 is provided at one end of the control panel 10102, and a second solenoid valve 10107 is provided at the other end of the control panel 10102, so that the first solenoid valve 10105 can be connected to an external vacuum air pump to facilitate the vacuum pumping of the inside of the box 10101 for detection. The second solenoid valve 10107 can be connected to an external air source to facilitate the inflation of the inside of the bag to be detected. The connecting joint 10301 is fixedly connected to the sealing sleeve interface 10112, so that the sealing sleeve assembly 103 can be fixedly installed on the outside of the gas injection pipe 10108, which is convenient for The structural dimensions of the bag are detected and replaced with a sealing sleeve assembly 103 of a corresponding size. A memory metal spring is provided inside the sealing fixing sleeve 10302, and an airbag strip 10303 is provided inside the sealing fixing sleeve 10302, so that the memory metal spring can keep the sealing fixing sleeve 10302 in an oval open state or a closed state. The airbag strip 10303 is inflated to lock and seal the bag opening. The connecting pipe 10304 is connected to the airbag strip 10303, and an air pump connector 10305 is provided at one end of the connecting pipe 10304, so that the micro air pump 10106 can inflate the bulge of the airbag strip 10303, so that the airbag strip 10303 can push the bag opening in. The bag is locked and sealed to facilitate integrity testing; a first air pressure sensor 10109 is provided on the top of one end of the air injection tube 10108, and a second air pressure sensor 10110 is provided on one side of the box body 10101. The first air pressure sensor 10109 and the second air pressure sensor 10110 can respectively detect the air pressure inside the bag and the inside of the box body 10101, and the integrity and sealing of the bag can be reflected by changes in the air pressure values. A display screen 10103 and a control button 10104 are provided in the middle of the control panel 10102, so that the control button 10104 can be used to control the device, and the test results and device status are displayed on the display screen 10103.

[0042] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A bag integrity detector, characterized in that: The invention comprises a detection box assembly (101), wherein a sealing cover assembly (102) is provided on the top of the detection box assembly (101), and a sealing sleeve assembly (103) is provided inside the detection box assembly (101), wherein the detection box assembly (101) comprises a box body (10101), and a control panel (10102) is provided on one side of the outside of the box body (10101), and the control panel (10102) has a first solenoid valve (10105) at one end, and the control panel (10102) has a first solenoid valve (10105) at the other end. A second solenoid valve (10107) is provided at one end, a sealing sleeve interface (10112) is provided at one end of the second solenoid valve (10107), a gas injection pipe (10108) is provided in the middle of the sealing sleeve interface (10112), a first air pressure sensor (10109) is provided at the top of one end of the gas injection pipe (10108), a second air pressure sensor (10110) is provided on one side inside the box body (10101), and a display screen (10103) and a control button (10104) are provided in the middle of the control panel (10102).

2. A bag integrity detector according to claim 1, characterized in that: A micro air pump (10106) is provided at the bottom of the second solenoid valve (10107), and an air pump interface (10111) is provided at the output end of the micro air pump (10106), and the air pump interface (10111) is arranged inside the box (10101).

3. A bag integrity detector according to claim 1, characterized in that: The box body (10101) is made of high-strength transparent glass.

4. A bag integrity detector according to claim 1, characterized in that: The sealing cover assembly (102) comprises a sealing seat (10201), and the sealing seat (10201) is fixedly mounted on the top of the box body (10101).

5. A bag integrity detector according to claim 4, characterized in that: A cover body (10202) is hingedly connected to one side of the sealing seat (10201), a lock buckle (10203) is fixedly installed on one side of the cover body (10202), and a lock groove (10204) is provided at a corresponding position of the sealing seat (10201).

6. A bag integrity detector according to claim 5, characterized in that: A first sealing ring (10205) is provided on the inner side of the sealing seat (10201), and a second sealing ring (10206) is provided on the bottom of the cover body (10202).

7. A bag integrity detector according to claim 1, characterized in that: The sealing sleeve assembly (103) comprises a connecting joint (10301), a sealing fixing sleeve (10302) is fixedly installed on one side of the connecting joint (10301), and the connecting joint (10301) is fixedly connected to the sealing sleeve interface (10112).

8. A bag integrity detector according to claim 7, characterized in that: The sealing fixing sleeve (10302) is made of rubber material, a memory metal spring is provided inside the sealing fixing sleeve (10302), and an airbag strip (10303) is provided inside the sealing fixing sleeve (10302).

9. A bag integrity detector according to claim 8, characterized in that: A connecting tube (10304) is provided at the bottom of the sealing fixing sleeve (10302), the connecting tube (10304) is connected to the airbag strip (10303), and an air pump connector (10305) is provided at one end of the connecting tube (10304).

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